Some Factors That Influence Seasonal Precipitation in Argentinean Chaco

Table 1

Index anomalies for Spring 1999 and 1994. Anomalies are computed from 1961–2010 seasonal mean.

Index	SON 1999	SON 1994
ENSO	−1.2°C	0.9°C
SST1	−0.22°C	−0.08°C
SST2	−0.65°C	0.23°C
SST3	−0.3°C	0.09°C
OLR	1.53 w/m^2	−17.41 w/m^2
LATA	−0.83°	0
LONA	1.53°	−5.97°
IA	3.59 m	−4.49 m
AAO	2.37	−0.98
DMI	−0.18°C	2.34°C